This paper researches into binary join optimizing strategies of backend database machine systems.
本文研究了后端数据库机系统的二元联接优化策略。
So, this thesis put forward wireless network autonomous Positioning and several optimizing strategies.
本文针对这些问题,提出了无线网络自主定位概念及其性能的优化策略。
The optimizer has many types of strategies for optimizing SQL.
优化器有许多类型的优化 SQL 的策略。
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